Data

Data could be considered to be something of a pirate. She's led her fair share of raids, and expeditions, gathering treasure to fill entire dens with luxuries.
And coins - not to spend, of course, but to fund further expeditions.
Data is equally an adventurer - if she isn't traveling through unknown territories, or exploring old ruins, she isn't happy. Beneath that cool demeanor is the excitement and energy of a child.
Part of her could be considered an archeologist, for her interest in excavation. But her interests in exploring ancient ruins are usually overshadowed by the promise of mythical locations, entertaining day-time raids, or deep underground - and unexplored - mines.
In a past life, she could have been Indiana Jones. As it is, she has no idea what any of the above titles mean - or who that human even is - but certainly she would be thrilled by the comparison.